head to head
Call of Duty: Modern Warfare 3 asks more than PlanetSide 2, and the gap is execution.

Execution · Pure Mechanics
A fast-paced military shooter where twitch aim against other players is the core test.

Execution · Practiced Mastery
Massive persistent-war FPS where hundreds of players contest continents simultaneously.
Call of Duty: Modern Warfare 3 leans Execution (Pure Mechanics); PlanetSide 2 leans Execution (Practiced Mastery).
Call of Duty: Modern Warfare 3 leans clearly harder on execution.
Call of Duty: Modern Warfare 3
aim and reflexes decide most engagements
PlanetSide 2
Gunplay and vehicle piloting at FPS standards
Call of Duty: Modern Warfare 3 leans clearly harder on reads.
Call of Duty: Modern Warfare 3
predicting human opponent positioning and habits
PlanetSide 2
Human enemies adapt, diluted across hundreds
PlanetSide 2 leans a little harder on variance, though the gap is small.
Call of Duty: Modern Warfare 3
spawn placement and loadout drops vary
PlanetSide 2
Massive battles produce constant chaos
PlanetSide 2 leans a little harder on optimization, though the gap is small.
Call of Duty: Modern Warfare 3
loadout tuning and map knowledge help
PlanetSide 2
Loadouts, terrain, and territory strategy matter
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.